UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uvjt5//xv5EwTCk7t4B2z8ijyBV3CfpW/SCp1M4ZQoM=' 
WHERE 
  key_id = '50901fbd41b3844bd2c5ddbbc820c1f3898be2474eecae6c4db59d2664f015fb' 
  AND (
    token = 'uvjt5//xv5EwTCk7t4B2z8ijyBV3CfpW/SCp1M4ZQoM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )